raboof/pekko
1
0
Fork 0
Code Issues Pull requests Projects Releases 6 Packages Wiki Activity Actions 10

Added 'or' method to Versioned.

Browse source 
Signed-off-by: Jonas Bonér <jonas@jonasboner.com>
This commit is contained in:
Jonas Bonér 2012-02-09 15:55:29 +01:00
parent b1f3107dd7
commit 607eac90e3
1 changed files with 9 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

9
akka-cluster/src/main/scala/akka/cluster/VectorClock.scala
View file

@ -13,12 +13,21 @@ class VectorClockException(message: String) extends AkkaException(message)
*/
trait Versioned {
def version: VectorClock
/**
* Returns the Versioned that have the latest version.
*/
def or(other: Versioned): Versioned = Versioned.latestVersionOf(this, other)
}
/**
* Utility methods for comparing Versioned instances.
*/
object Versioned {
/**
* Returns the Versioned that have the latest version.
*/
def latestVersionOf[T <: Versioned](versioned1: T, versioned2: T): T = {
(versioned1.version compare versioned2.version) match {
case VectorClock.Before ⇒ versioned2 // version 1 is BEFORE (older), use version 2